<!DOCTYPE html>
<html lang="en">

    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>注册页面</title>
        <link rel="stylesheet" href="css/conmmon.css">
        <link rel="stylesheet" href="css/login.css">
        <!-- 引入jquery的js文件 -->
        <script src="js/jquery.min.js"></script>
    </head>

    <body>
        <!-- 导航栏 -->
        <div class="nav">
            <img src="img/logo33.png" alt="">
            <span class="title">爱搜blog</span>
            <!-- 用来占据中间位置 -->
            <span class="spacer"></span>
            <a href="blog_list.html">主页</a>
            <a href="login.html">登录</a>
            <!-- <a href="#">注销</a> -->
        </div>
        <!-- 版心 -->
        <div class="login-container">
            <!-- 中间的注册框 -->
            <div class="login-dialog">
                <h3>注册</h3>
                <div class="row">
                    <span>用户名</span>
                    <input type="text" id="username">
                </div>
                <div class="row">
                    <span>密码</span>
                    <input type="password" id="password">
                </div>
                <div class="row">
                    <span>确认密码</span>
                    <input type="password" id="password2">
                </div>
                <div class="row">
                    <button id="submit" onclick="mysub()">提交</button>
                </div>
            </div>
        </div>
        <script>
            function mysub() {
                //1.非空判断
                //1.1 先得到输入的组件
                var username = jQuery("#username");
                var password = jQuery("#password");
                var password2 = jQuery("#password2");
                //1.2判断输入组件是否为空
                if (username.val().trim() == "") {   //注：val()是一个方法，不是属性
                    alert("请先输入用户名！");
                    username.focus();//聚焦光标
                    return false;//代码不能继续往下走了
                }
                if (password.val().trim() == "") {
                    alert("请先输入密码!");
                    password.focus();
                    return false;
                }
                if (password2.val().trim() == "") {
                    alert("请先输入确认密码!");
                    password2.focus();
                    return false;
                }
                if (password.val() != password2.val()) {
                    alert("两次密码输入不一致，请先检查！");
                    password.focus();
                    return false;
                }
                //2.先把提交按钮设置成不可用（冻结）  (不能点击多次就在后端注册多次)
                jQuery("#submit").attr("disabled", "disabled");
                //3.将当前页面的额数据提交给后端
                jQuery.ajax({
                    url: "/user/reg",
                    type: "POST",
                    data: {
                        "username": username.val().trim(),
                        "password": password.val().trim()
                    },
                    success: function (res) {
                        if (res.code == 200 && res.data == 1) {
                            //4.根据后端返回的结果（成功 or 失败）再处理后续流程
                            alert("注册成功！");
                            location.href = "login.html"; // 跳转到登录页面
                        } else {
                            alert("抱歉：操作失败！" + res.msg);
                            //取消禁用
                            jQuery("#submit").removeAttr("disabled");
                        }
                    }
                });
            }

        </script>
    </body>

</html>